The 3681396M1 is a genuine OEM cylinder head gasket designed for McCormick C, CX, and MC series agricultural tractors. This critical engine component ensures a proper seal between the cylinder head and engine block, preventing leaks and maintaining optimal engine compression. It is also cross-referenced as an equivalent OEM part for Massey Ferguson and Perkins engines, highlighting its broad compatibility across various machinery models. Made to precise specifications for reliable performance and durability.